<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
	String basePath = request.getScheme() + "://"
			+ request.getServerName() + ":" + request.getServerPort()
			+ request.getContextPath() + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<title>Insert title here</title>
</head>
<body><!-- /get-parameter/echo.jsp 不可取，因为应用程序的名字可能会改 -->
	<!-- 下面这种相对地址再结合 base 标签，是常见做法 -->

	<form action="receive.jsp">
		<!--  -->
		名字：<input type="text" name="username" value="张三" /> <br/>
		爱好1：<input	type="text" name="favorite" value="篮球" /> <br/>
		爱好2：<input type="text"	name="favorite" value="排球" /> <br/>
		爱好3：<input type="text" name="favorite"	value="羽毛球" /> <br/>
		<input type="submit" value="提交" />
	</form>
</body>
</html>